Free Software for Mozilla

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.What is...

Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. Compatible with both Firefox and SeaMonkey.
This is the successor to the defunct...

mozInstall is a Python package for installing Mozilla applications on various platforms.For example, depending on the platform, Firefox can be distributed as a zip, tar.bz2, exe or dmg file or cloned from a repository. Mozinstall takes the hassle out of...

Advanced programming languages like Scheme, Scala, Racket and Rust have support for macros, a way to run a series of instructions or source via a simple command/statement.This library adds the same functionality to JavaScript, a scripting language where...

ScanJS works using the fantastic Acorn.js library, parsing JavaScript code and then converting it to AST format.The AST (Abstract Tree Syntax) is then analyzed for common patterns and any problems are reported to the user.For identifying "problems" in the...

browser.html actually provides a fully-working browser, not just an empty UI shell.It consists of a frame container, some buttons for the actual UI, and some iframes where the actual Web page is loaded.It also supports UI themes (white and dark for now),...

Being strict by nature means asm.js can run in older browsers, even if not at maximum capabilities.asm.js is basically a JavaScript compiler, taking syntax written in asm.js specific syntax and porting it back to JavaScript.The entire system was inspired...

TogetherJS is a system written in JavaScript and HTML 5 that allows more than one user to collaborate and interact on the same page.TogetherJS broadcasts user actions and interactions to other users connected to the same page, allowing them to see what...

Webian Shell is a full screen web browser for devices that don't need a desktop. As of today you can download a prototype which you can try for yourself. Most of the stuff done on PC these days happens in a web browser. Modern web applications can do just...